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Fig. 2. Histological examination. Epidermis with phenomena of moderately pronounced hyperkeratosis and acanthosis, in the dermis and partly in the subcutaneous fatty tissue morphological picture of chronic granulomatous inflammatory process, granulomas consisting of lymphocytes, epithelioid and Pirogov-Langhans cells with zones of caseous necrosis, also in the dermis mainly along the periphery of microcirculatory vessels focal lymphoplasmocytic inflammatory infiltration with formation of pseudofollicles. Haematoxylin-eosin staining, ×10. [Photo from the archive of the I.M. Sechenov First Moscow State Medical University. Published for the first time with the permission of the administration of the institution]. |